2006 YAMAHA TTR90 Owners Manual

Page 57 of 390

YAMAHA TTR90 2006  Owners Manual GEN
INFO
1 - 14
CLEANING AND STORAGE
EC1B0000
CLEANING AND STORAGE
EC1B1000
CLEANING
Frequent cleaning of your machine will
enhance its appearance, maintain good overall
performance, and extend the li

Page 58 of 390

YAMAHA TTR90 2006  Owners Manual GEN
INFO
NETTOYAGE ET REMISAGE
NETTOYAGE ET REMISAGE
NETTOYAGE
Il est conseillé de nettoyer le véhicule à fond aussi
souvent que possible, non seulement pour des rai-
sons esthétiques, mais aussi

Page 59 of 390

YAMAHA TTR90 2006  Owners Manual GEN
INFO
REINIGUNG UND STILLLEGUNG
REINIGUNG UND STILLLEGUNG 
REINIGUNG
Eine regelmäßige, gründliche Wäsche sorgt
nicht nur für gutes Aussehen, sondern verbes-
sert auch das allgemeine Betriebsve

Page 60 of 390

YAMAHA TTR90 2006  Owners Manual SPEC
2 - 1
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: TT-R90V (CDN, AUS, NZ)
TT-R90 (Europe, ZA)
TT-R90EV (USA, CDN, AUS, NZ)
TT-R90E (Europe, ZA)
Model code number: TT-R90:
5

Page 61 of 390

YAMAHA TTR90 2006  Owners Manual SPEC
2 - 2 Oil type or grade:
Engine oil
 (For USA and CDN)
At –10 °C (10 °F) or higher È 
Yamalube 4 (10W-30) or SAE 10W-30 type
SE/SF/SG motor oil 
At 5 °C (40 °F) or higher É 
Yamalube 4 (2

Page 62 of 390

YAMAHA TTR90 2006  Owners Manual SPEC
2 - 3 Transmission:
Primary reduction system Spur gear
Primary reduction ratio 67/18 (3.722)
Secondary reduction system Chain drive
Secondary reduction ratio 35/14 (2.500)
Transmission type Const

Page 63 of 390

YAMAHA TTR90 2006  Owners Manual SPEC
2 - 4
MAINTENANCE SPECIFICATIONS
ENGINE
Item Standard Limit
Cylinder head:
Warp limit ---- 0.03 mm 
(0.0012 in)
Cylinder:
Bore size 47.000 ~ 47.005 mm
(1.8504 ~ 1.8506 in)47.05 mm
(1.8524 in)
Out

Page 64 of 390

YAMAHA TTR90 2006  Owners Manual SPEC
2 - 5 Cam chain:
Cam chain type/No. of links 92RH2005-84M/84 ----
Cam chain adjustment method Automatic ----
Rocker arm/rocker arm shaft:
Shaft outside diameter 9.981 ~ 9.991 mm
(0.3930 ~ 0.3933